Errors With No Error Codes; No Indication In The Display Window - Electrolux W365H Service Manual

12

Errors with no error codes

No indication in the display window (machine
not responding or operates apart from this).
If the power is on, be very careful when
working on the the machine.
Verify that:
• the machine receives power.
• the machine has not been emergency
stopped.
• the red LEDs on the programme unit card and
Fig.
2 the I/O card light steadily. (Verify through
measurement that X3:1 - 2 at A11 is 16 V. If
Fig.
not, troubleshoot the voltage supply circuit.)
3
• verify that the green LEDs on the programme
unit card and the I/O card blink quickly.
• verify the fuses F11 and F12 (T 1.25 A) on the
Fig.
communication card A21. Replace burnt-out
4
fuses.
1. Perform a communication test using the test box.
Refer to the manual "Instructions for Clarus
Communication Tests".
OK LED on test box
The display or display cable
is probably defective.
12
12. Troubleshooting
Defective LEDs on test box
Troubleshoot according to
the manual "Instructions for
Clarus Communication
Tests".
2
Programme unit card
Green LED
Red LED
I/O card
3
X3
4
F11,
F12
Service
Manual
3972
Red LED
Green LED
3973
3973
5233
438 9152-11/03
04.03